ACA Big Data Certification Exam
Last Update Mar 12, 2026
Total Questions : 78
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In a scenario where a large enterprise plans to use MaxCompute to process and analyze its data, tens
of thousands of tables and thousands of tasks are expected for this project, and a project team of 40
members is responsible for the project construction and O&M. From the perspective of engineering,
which of the following can considerably reduce the cost of project construction and management?
Score 2
_______ instances in E-MapReduce are responsible for computing and can quickly add computing
power to a cluster. They can also scale up and down at any time without impacting the operations of the
cluster.
Score 2
A company originally handled the local data services through the Java programs. The local data have
been migrated to MaxCompute on the cloud, now the data can be accessed through modifying the Java
code and using the Java APIs provided by MaxCompute.
Score 1
A distributed file system like GFS and Hadoop are design to have much larger block(or chunk) size
like 64MB or 128MB, which of the following descriptions are correct? (Number of correct answers: 4)
Score 2
TESTED 12 Mar 2026
